I've received emails over the years from worried parents asking me how they can monitor the phone use of their teenagers, especially in this age of smartphones with their many different ways of communicating.

Almost half of the mobile apps running on Apple's iOS operating system access the unique identifier of the devices where they're downloaded, computer scientists at the University of California, San Diego, ...

(Phys.org) -- How to lose friends and de-influence people: An app called "Find and Call" has been passing itself off as a mobile phone-book helper but has been discovered to be a Trojan which, once downloaded, ...

Twitter Inc. said that to help users find friends also using the service, it retrieves entire address book from users' smartphones, including names, email addresses and phone numbers, and keeps the data on its servers for ...

Apple on Wednesday said application developers will have to get express permission from users before tapping into contact information stored in its popular gadgets, in a move to address privacy concerns.

Of the things users expect their cell phones to be -- address book, calendar, camera, music player -- a wallet isn't one of them, according to research by a Kansas State University marketing professor.

Most people have scores of contacts, scattered around their mobile phone, e-mail address book and multiple social networking sites. Scientists at Hewlett-Packard can tell you which of those contacts are your closest friends.

With more than 40,000 direct professional contacts on LinkedIn, Steven Burda wants to ensure he always has up-to-date information to maintain his network. He couldn't resist signing up for a digital business card, where users' ...

With the exception of touch-tone phones, Caller ID and cell phones, talking on the phone hasn't changed a lot during the past few decades. That's a big reason why people are increasingly choosing to text, ...